Side by side

Fortis Marinemaster M-40vsHamilton Khaki Navy Frogman Auto

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
Khaki Navy Frogman Auto
HamiltonKhaki Navy Frogman Auto
MSRP $1,395

At a glance

9 of 29 specs differ
Diameter
Marinemaster M-4040mm
Khaki Navy Frogman Auto41mm
Power Reserve
Marinemaster M-4038h
Khaki Navy Frogman Auto80h
Water Resistance
Marinemaster M-40300m
Khaki Navy Frogman Auto300m
MSRP
Marinemaster M-40$3,520
Khaki Navy Frogman Auto$1,395

Full specifications

Case

4 specs
Diameter
40mm
41mm
Thickness
13mm
13.09mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm

Crystal & Dial

1 specs
Dial Color
Orange
Black

Movement

3 specs
Caliber
Sellita SW220-1
H-10
Power Reserve
38h
80h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$1,395

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

Hamilton Khaki Navy Frogman Auto

The Hamilton Khaki Navy Frogman Auto is praised for its wearable 41mm size and graceful silhouette, with reviewers highlighting its clean, date-free dial and well-defined bezel clicks. The H-10 automatic movement provides an 80-hour power reserve. Some reviewers note drawbacks such as a stiff rubber strap and buckle, and bezel grip in wet conditions. The case features brushed surfaces with polished bevels. On balance, reviewers rate the Hamilton Khaki Navy Frogman Auto highly for its blend of standout design and wearable dimensions.

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